Question

mir qasim was defeated at the battle fought at​

Answer 1

Battle of Murshidabad

By 1793 the East India company had abolished the Nizamat (referring to the Mughal suzerainty) and became completely in charge of the former Mughal province. Mir Qasim was defeated during the Battle of Murshidabad, Battle of Gherain and the Battle of Udhwa nala.

Answer 2

Battle of Murshidabad

hope this helps :)